What are Prepositions
Prepositions are those words, which show the relationship of Nouns (or Pronouns) with the other words in the sentence. Prepositions are used before Nouns (or Pronouns) in the sentence.
Before is used to refer to the earlier time than the thing or the event in question. Before is also used to refer to some time period in the past.
Purchase it before the sale gets over.
I always take a bath in the morning before eating anything.
You should always wash your feet before going to sleep.
The train had departed before I reached there.
Don’t forget to switch off the lights before leaving the office.
You should think twice before making a decision.
I have never been there before.
Did you know that before?